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Optics Letters

Optics Letters


  • Vol. 29, Iss. 18 — Sep. 15, 2004
  • pp: 2154–2156

165-W cryogenically cooled Yb:YAG laser

Daniel J. Ripin, Juan R. Ochoa, R. L. Aggarwal, and Tso Yee Fan  »View Author Affiliations

Optics Letters, Vol. 29, Issue 18, pp. 2154-2156 (2004)

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Thermo-optic distortions often limit the beam quality and power scaling of high-average-power lasers. Cryogenically cooled Yb:YAG is used to efficiently generate 165 W of near-diffraction-limited beam from a power oscillator with negligible thermo-optic effects. End pumped with 215 W of incident pump power from two diode modules, the laser has an optical–optical efficiency of 76%, a slope efficiency of 85%, and an M2 value of 1.02.

© 2004 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.6810) Lasers and laser optics : Thermal effects

Daniel J. Ripin, Juan R. Ochoa, R. L. Aggarwal, and Tso Yee Fan, "165-W cryogenically cooled Yb:YAG laser," Opt. Lett. 29, 2154-2156 (2004)

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